diff --git a/charts/retool/Chart.yaml b/charts/retool/Chart.yaml
index e1d810d..046764c 100644
--- a/charts/retool/Chart.yaml
+++ b/charts/retool/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: retool
 description: A Helm chart for Kubernetes
 type: application
-version: 6.6.0
+version: 6.6.1
 maintainers:
   - name: Retool Engineering
     email: engineering+helm@retool.com
diff --git a/charts/retool/templates/deployment_backend.yaml b/charts/retool/templates/deployment_backend.yaml
index cfa8450..24d86b3 100644
--- a/charts/retool/templates/deployment_backend.yaml
+++ b/charts/retool/templates/deployment_backend.yaml
@@ -46,7 +46,9 @@ spec:
     spec:
       serviceAccountName: {{ template "retool.serviceAccountName" . }}
       {{- if .Values.priorityClassName }}
-      priorityClassName: "{{ .Values.priorityClassName }}"
+      priorityClassName: {{ .Values.priorityClassName | quote }}
+      {{- else }}
+      priorityClassName: {{ printf "%s-backend-priority" (include "retool.fullname" .) | quote }}
       {{- end }}
       {{- with .Values.hostAliases }}
       hostAliases:
diff --git a/charts/retool/templates/deployment_jobs.yaml b/charts/retool/templates/deployment_jobs.yaml
index 0859dec..37a5370 100644
--- a/charts/retool/templates/deployment_jobs.yaml
+++ b/charts/retool/templates/deployment_jobs.yaml
@@ -45,7 +45,9 @@ spec:
     spec:
       serviceAccountName: {{ template "retool.serviceAccountName" . }}
       {{- if .Values.priorityClassName }}
-      priorityClassName: "{{ .Values.priorityClassName }}"
+      priorityClassName: {{ .Values.priorityClassName | quote }}
+      {{- else }}
+      priorityClassName: {{ printf "%s-jobs-runner-priority" (include "retool.fullname" .) | quote }}
       {{- end }}
 {{- if .Values.initContainers }}
       initContainers:
diff --git a/charts/retool/templates/priorityclass.yaml b/charts/retool/templates/priorityclass.yaml
new file mode 100644
index 0000000..3df29c9
--- /dev/null
+++ b/charts/retool/templates/priorityclass.yaml
@@ -0,0 +1,27 @@
+{{/* We ensure that the jobs runner has highest priority,
+since unrun db migrations can lead to pod crashloops. */}}
+{{- if not .Values.priorityClassName }}
+{{- if include "retool.jobRunner.enabled" . }}
+apiVersion: scheduling.k8s.io/v1
+kind: PriorityClass
+metadata:
+  name: {{ include "retool.fullname" . }}-jobs-runner-priority
+  labels:
+    {{- include "retool.labels" . | nindent 4 }}
+value: 20
+preemptionPolicy: Never
+globalDefault: false
+description: "PriorityClass for Retool jobs-runner pods"
+---
+{{- end }}
+apiVersion: scheduling.k8s.io/v1
+kind: PriorityClass
+metadata:
+  name: {{ include "retool.fullname" . }}-backend-priority
+  labels:
+    {{- include "retool.labels" . | nindent 4 }}
+value: 10
+preemptionPolicy: Never
+globalDefault: false
+description: "PriorityClass for Retool backend pods"
+{{- end }}